At upper flow regime, the total stream power gradually deviate the effective stream power from movable plane bed to existence of sand wave.

在高能态区，从动平整床面到沙浪的出现，总水流功率又逐渐背离有效水流功率。

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If a payoff stream depends on both a fundamental and possible interventions of an authority, the asset pricing problem is usually characterized by regime switching models.

当支付流既依赖于基础资产价格又受外界干预时，资产的定价问题通常用状态转换模型来刻画。

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